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Thread: How Much will it Cost to Run my Light?

  1. #1
    420 Member SmokeyMacPot's Avatar
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    How Much will it Cost to Run my Light?

    Depending on where you live the average cost of running a 1K light 12/12 is about $20-$30 a month in electricity.

    Use the Power Consumption Cost Calculator to find the actual cost.

    Author: Tick

  2. #2
    420 Member Dr FrankenKush's Avatar
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    Re: How Much will it Cost to Run my Light?

    yea if you own the power plant...WTF Realistically $120

  3. #3
    Resident Connoisseur PitViper's Avatar
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    Re: How Much will it Cost to Run my Light?

    guess it depends on your cost and provider 2 1000w cost me about 80 bucks to run in veg.the system with fans and everything is about 150 to 200 a month.That does it all carbons filters,cur fans ,ebb,all the lights rails you get the point.

  4. #4
    New Member HotStonerGirl's Avatar
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    Re: How Much will it Cost to Run my Light?

    Lol it is seriously not a good idea to run light. Thats how the cops catch you. You need natural sunlight, but like a greenhouse type thing? Where no one will go too ect.
    xx

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    420 Member poker shark's Avatar
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    Re: How Much will it Cost to Run my Light?

    <scratching head>
    First Grow In N.C.

    If you want the sweetest fruit... sometimes you have to go out on a limb.

  6. #6
    New Member HotStonerGirl's Avatar
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    Re: How Much will it Cost to Run my Light?

    Sorry man! I'm a brit I chat shit.

  7. #7
    420 Member Dr FrankenKush's Avatar
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    Re: How Much will it Cost to Run my Light?

    Fighting temps outdoor at triple digits is a big increase over cool temps usually about to the tune of $300 and thats at $0.139 per KLW hr that will keep temps in proper range for me and the Gs....
    BigBudAl likes this.

  8. #8
    420 Member fluroman's Avatar
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    Re: How Much will it Cost to Run my Light?

    i ran a 400 watt hid at 18-6 a 170 cfm fan the same time to 20 inch box fans and only jumped 15.00 a month
    8000-watts-6-strains

    hand full o seeds and some donor clones

    cfl grow
    1000 watt, LST EARLY PEARL

  9. #9
    Plant and Nug of the Month Winner (July 10') Hogdady's Avatar
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    Re: How Much will it Cost to Run my Light?

    One 1kw light (or ten 100w lites) uses roughly 1 kwh of energy. That dosen't change. What changes is what you pay for each kwh. If you have low rates you pay less than us with higher rates......



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  10. #10
    420 Member fluroman's Avatar
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    Re: How Much will it Cost to Run my Light?

    when i got my new 1000 watters hps and mh i also went and replaced 95% of the lights in my house with cfl's.started hanging clothe's on the line outside, you can keep it managable if you just think about it .i also turn off the pc at night saves 10 bucks a month just doing that.well theres my 2 cents goodluck to all
    8000-watts-6-strains

    hand full o seeds and some donor clones

    cfl grow
    1000 watt, LST EARLY PEARL

  11. #11
    Plant and Nug of the Month Winner (July 10') Hogdady's Avatar
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    Re: How Much will it Cost to Run my Light?

    Kwh rates run from as low as 6 cents per kwh (avg) in Wyoming to as high as almost 19 cents per kwh (avg) in Hawaii. The national avg is 9.8 cents per kwh.



    “Who are you to judge the life i live
    i know i'm not perfect and i don't live to be.
    but before you start pointing fingers
    make sure your hands are clean.”
    ― Jimi Hendrix





    June'10 Plant of the Month


    July'10 Nug of the Month


    Da Hog Shack (Completed)


    Hogdady's Current Grow (Completed)


    BUSTED! The Citizens Guide to surviving Police Encounters

  12. #12
    New Member Loch's Avatar
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    Re: How Much will it Cost to Run my Light?

    Here is an explination to help you figure out your own usage...
    I found the formula... this assumes $0.12 per KW hour price... (If you pay a different amount change the formula below)

    Explination = Watts used by device (a 400 watts HPS) X hours used over the course of a month = total watt hours
    Example = 400 watts x 24 hours/day x 30.5 days/month = 292,800 Total Watt-hours

    Explination = now you have to convert Wh (watt hours) to kWh (kilowatt hours) Wh / 1000 = kWh
    Example = 292,800 Wh / 1000 Wh = 293 kWh

    Explination = now take you kWH and multiply it by the price you pay your electric provider
    Eample = 293 kWh x 12¢/kWh = $35.16/mo.; $422/yr.

    When you buy electricity they charge you by the kilowatt-hour (kWh). When you use 1000 watts for 1 hour, that's a kilowatt-hour.


    [CODE]Device wattage Time used kWh Cost
    HPS 400 watts 1 hour .4kWh $.05
    HPS 400 watts 24 hours 9.6kWh $1.15
    HPS 400 watts 365 hours 146kWh $17.52 12/12 for a month
    HPS 400 watts 730 hours 293kWh $35.16 24x7 for a month
    HPS 1000 watts 1 hour 1kWh $.12
    HPS 1000 watts 24 hours 24kWh $2.88
    HPS 1000 watts 365 hours 365kWh $43.80 12/12 for a month
    HPS 1000 watts 730 hours 730kWh $87.60 24x7 for a month
    small oscillating fan 8 watts 1 hour 0.008kWh $.00096
    small oscillating fan 8 watts 24 hours 0.192kWh $.02
    small oscillating fan 8 watts 730 hours 0.008kWh $.70
    6" Ecoplus inline fan 135 watts 1 hour 0.135kWh $.0162
    6" Ecoplus inline fan 135 watts 24 hours 3.24kWh $.39
    6" Ecoplus inline fan 135 watts 730 hours 98.55kWh $11.83

    other examples for various items and hours used below...
    medium window-unit AC 1000 watts 1 hour 1kWh $.12
    large window-unit AC 1500 watts 1 hour 1.5kWh $.18
    42" ceiling fan on low 24 watts 10 hours 0.24kWh $.03
    light bulb 100 watts 730 hours 73kWh $8.76
    CFL light bulb 25 watts 730 hours 18kWh $2.16[/CODE]

    Understand that a HPS may use a little more due to ballest, age of ballest and light, small amount for a timer unit... but this is so small as to not worry about.

    So in my tent I have a 400 watt HPS going 12/12, an oscilating fan, the 6" inline fan (way over kill for my small 3x3 tent). The timer's usage for my light is so small I am not going to calculate it.

    My total cost for the month should be an additional 30.05...

    However I also have a 600 watt space heater (fan forced oscillating), but while powered on 24/7 it only uses the full 600 watts when activly heating the small 3x3x6 foot space. Obviously the amount of hours it runs in a month will be varied due to the temp. Even in this super cold month we are having I would say it only runs about 20% of the time at full, the rest of the time it just lights 3 leds and senses the temp, very small usage that I won't calculate...

    So if my 600 watt heater only uses 600 watts 20% of the time during a month that would give me 146 hours (20% of 730) to calculate. so 600watts times 146hours = 87600. Divide 87600 by 1000 to get kWh = 87.6. Mutiply 87.6 * $0.12 = $10.52 for the month. Add that to my subtotal from above and it is $10.52+ $30.05 = 40.57.

    ,
    Loch

  13. #13
    420 Member onthe420train's Avatar
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    Re: How Much will it Cost to Run my Light?

    ya. calculating KWH is easy just remember as you move up in quantity you move up in price per quantity when it comes to energy bills.

  14. #14
    420 Member Green007's Avatar
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    Re: How Much will it Cost to Run my Light?

    +reps LOCH!

  15. #15
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    Re: How Much will it Cost to Run my Light?

    how many hours of light should my plants get for vegetative growth if im using cfls?

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